:root{font-family:sans-serif;line-height:1.5;font-weight:400;color:#222;background-color:#fff}body{margin:0;display:flex;align-items:center;min-height:100vh}#app{max-width:1280px;margin:0 auto;text-align:center}section{margin-top:3rem}button{margin:.5rem}label{margin-right:.5rem}output{overflow-wrap:anywhere}#counterstring-result{margin-top:1rem}@media (max-width: 639px){#app{margin:2rem}section{margin-top:5rem;grid-template-columns:1fr;row-gap:1rem}}@media (prefers-color-scheme: dark){:root{color:#ccc;background-color:#1a1a1a}}